Job lot of vintage rim lock door feather leaf springs repair kit in one size. These are original old stock that it will function smoothly for years to come. Perfect for those who are looking to replace a broken or weak spring and you are unsure of the size required to fix your vintage lock this is a set of four springs as photos show placed on graph paper at 10mm squares so you can scale the sizes. This spring set is a must-have for any period home improvement project.